| 助催化无汞盐快速测定水中化学需氧量 |
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| 引用本文： | 张莘民,凌宁.助催化无汞盐快速测定水中化学需氧量[J].环境监测管理与技术,1996,8(5):28-30. |
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| 作者姓名： | 张莘民 凌宁 |
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| 作者单位： | 泰州市环境监测站(张莘民)，泰州市电化厂(凌宁)，扬州市环境监测站(高明慧) |
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| 摘 要： | 在ψ（Ｈ２ＳＯ４）＝５６％硫酸介质，重铬酸钾的氧化体系中，以钼权铵，硫酸铝钾为助催化剂，可减少量化剂硫酸银的用量，消解１５ｍｉｎ即可测定水中化学需氧量，用硝酸银溶液代替硫酸汞去除水氯离子，避免了汞盐的污染，工业废水回收率在９７％～１０１％之间，有较好的准确度。
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| 关 键 词： | 助催化 无汞盐 化学需氧量 水质监测 水样 |
Rapid Determination of COD with Catalyst-acceleration and without Mercurate |
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| Zhang Xinmin.Rapid Determination of COD with Catalyst-acceleration and without Mercurate[J].The Administration and Technique of Environmental Monitoring,1996,8(5):28-30. |
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| Authors: | Zhang Xinmin |
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| Institution: | Zhang Xinmin |
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| Abstract: | N,N-dimethylformamide was detected by gas chromatography with FID and PEG-20 capillany column.The results obtained by this method were the same as those determined by spectrophotometry. |
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| Keywords: | Gas chromatogaphy Capillary column N N-Dimethylformamide |
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